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Proceedings Paper

Energy and entropy currents for nanoscaled optoelectronics
Author(s): Fabienne Velia Michelini; Katawoura Beltako; Adeline Crépieux
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Paper Abstract

Energetic and entropic issues are theoretically addressed in quantum optoelectronic nanodevices. We rely on the nonequilibrium Green's function methodology to provide a framework which combines optoelectronics and thermodynamics in a unified picture of energy conversion for nanoscaled optoelectronics. Indeed, we follow the self-consistent Born approximation to derive the formal expressions of energy and entropy currents owing inside a nanodevice only interacting with light. These expressions are numerically evaluated in a quantum-dot based nanodevice, where verification of the second law of thermodynamics raises questioning about the system model. We here put the focus on the spontaneous emission energy current to discuss the question.

Paper Details

Date Published: 14 March 2016
PDF: 7 pages
Proc. SPIE 9743, Physics, Simulation, and Photonic Engineering of Photovoltaic Devices V, 974305 (14 March 2016); doi: 10.1117/12.2212592
Show Author Affiliations
Fabienne Velia Michelini, Univ. d'Aix-Marseille et de Toulon (France)
Katawoura Beltako, Univ. d'Aix-Marseille et de Toulon (France)
Adeline Crépieux, Univ. d'Aix-Marseille et de Toulon (France)

Published in SPIE Proceedings Vol. 9743:
Physics, Simulation, and Photonic Engineering of Photovoltaic Devices V
Alexandre Freundlich; Laurent Lombez; Masakazu Sugiyama, Editor(s)

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